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i tried a couple python json libraries. i used simplejson on the
server and was using cjson on the client, but i ran into this issue.
i'm now using simplejson on both sides, but i'm still interested in
this issue. did i do something wrong? is there a bug in one of the
libraries? or something i don't understand about the json spec?
i problem is the line where i call cjson.decode() below:
>>import simplejson
import cjson

sj = simplejson.dump s('http://server.com')
sj
'"http:\\/\\/server.com"'
>>cj = cjson.encode('h ttp://server.com')
cj
'"http://server.com"'
>>simplejson.lo ads(cj)
u'http://server.com'
>>cjson.decode( cj)
'http://server.com'
>>simplejson.lo ads(sj)
u'http://server.com'
>>cjson.decode( sj)
'http:\\/\\/server.com' # is this correct????
is that last statement really correct?

thanks,

bryan
Dec 6 '07 #1
3 2353
be****@gmail.co m wrote:
i tried a couple python json libraries. i used simplejson on the
server and was using cjson on the client, but i ran into this issue.
i'm now using simplejson on both sides, but i'm still interested in
this issue. did i do something wrong? is there a bug in one of the
libraries? or something i don't understand about the json spec?
i problem is the line where i call cjson.decode() below:
>>>import simplejson
import cjson

sj = simplejson.dump s('http://server.com')
sj
'"http:\\/\\/server.com"'
>>>cj = cjson.encode('h ttp://server.com')
cj
'"http://server.com"'
>>>simplejson.l oads(cj)
u'http://server.com'
>>>cjson.decode (cj)
'http://server.com'
>>>simplejson.l oads(sj)
u'http://server.com'
>>>cjson.decode (sj)
'http:\\/\\/server.com' # is this correct????
Known issue. See:
http://blog.extracheese.org/2007/07/...isnt-json.html

Neither project has fixed it it seems. Not sure which is actually
the "correct" way to do it, but it would be nice if they would agree.

j
Dec 6 '07 #2
Joshua Kugler <jk*****@bigfoo t.comwrote:
be****@gmail.co m wrote:
>i tried a couple python json libraries. i used simplejson on the
server and was using cjson on the client, but i ran into this issue.
i'm now using simplejson on both sides, but i'm still interested in
this issue. did i do something wrong? is there a bug in one of the
libraries? or something i don't understand about the json spec?
i problem is the line where i call cjson.decode() below:
>>>>import simplejson
import cjson
>
sj = simplejson.dump s('http://server.com')
sj
'"http:\\/\\/server.com"'
>>>>cj = cjson.encode('h ttp://server.com')
cj
'"http://server.com"'
>>>>simplejson. loads(cj)
u'http://server.com'
>>>>cjson.decod e(cj)
'http://server.com'
>>>>simplejson. loads(sj)
u'http://server.com'
>>>>cjson.decod e(sj)
'http:\\/\\/server.com' # is this correct????

Known issue. See:
http://blog.extracheese.org/2007/07/...isnt-json.html

Neither project has fixed it it seems. Not sure which is actually
the "correct" way to do it, but it would be nice if they would agree.
Since both Opera and SpiderMonkey give http://server.com as result for
eval('"http:\\/\\/server.com"'), I'd say cjson gets it wrong (If by
nothing else than majority rule ;). That is unless I'm wrong that in
javascript something like eval(JSON_repr_ of_s) == s should be true.

Marc
Dec 7 '07 #3
Joshua Kugler <jk*****@bigfoo t.comwrote:
>Known issue. See:
http://blog.extracheese.org/2007/07/...isnt-json.html

Neither project has fixed it it seems. Not sure which is actually
the "correct" way to do it, but it would be nice if they would agree.
I think it's pretty clear (not just from that blog entry, but from
the grammar at http://json.org/) that cjson is incorrectly decoding
"\/". Whether it's sensible for simplejson to be encoding '/' as "\/"
is up for grabs, but it's perfectly correct for it to do so, so one
shouldn't expect it to be "fixed".

--
\S -- si***@chiark.gr eenend.org.uk -- http://www.chaos.org.uk/~sion/
"Frankly I have no feelings towards penguins one way or the other"
-- Arthur C. Clarke
her nu becomeþ se bera eadward ofdun hlæddre heafdes bæce bump bump bump
Dec 7 '07 #4

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